ChemGlobe: Lutetium - http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/71.html
Electronic, thermal, and steric data along with an isotope table. |
ChemicalElements.com: Lutetium - http://www.chemicalelements.com/elements/lu.html
Basic information, atomic structure, and table of isotopes. |
EnvironmentalChemistry.com: Lutetium - http://environmentalchemistry.com/yogi/periodic/Lu.html
Atomic structure, chemical and physical properties, and table of nuclides. |
It's Elemental: Lutetium - http://education.jlab.org/itselemental/ele071.html
Basic physical and historical information. |
LANL: Lutetium - http://periodic.lanl.gov/elements/71.html
Basic information and history. |
Lenntech: Lutetium - http://www.lenntech.com/Periodic-chart-elements/Lu-en.htm
Physical data, chemical properties, health and environmental effects. |
Visual Elements: Lutetium - http://www.chemsoc.org/viselements/pages/lutetium.html
Image, physical information, and key isotopes. |
WebElements: Lutetium - http://www.webelements.com/lutetium/
Extensive information on history, uses, occurrence, compounds, and properties. |
Wikipedia: Lutetium - http://en.wikipedia.org/wiki/Lutetium
Properties of the element, including its history, applications, and characteristics. |